fix incorrect assert on unused memory

This commit is contained in:
Lee Thomason 2012-11-19 13:54:42 -08:00
parent 998116e587
commit 5b0a677712
4 changed files with 50 additions and 23 deletions

View File

@ -669,6 +669,7 @@ XMLNode* XMLNode::InsertEndChild( XMLNode* addThis )
addThis->_next = 0;
}
addThis->_parent = this;
addThis->_memPool->SetTracked();
return addThis;
}
@ -693,6 +694,7 @@ XMLNode* XMLNode::InsertFirstChild( XMLNode* addThis )
addThis->_next = 0;
}
addThis->_parent = this;
addThis->_memPool->SetTracked();
return addThis;
}
@ -713,6 +715,7 @@ XMLNode* XMLNode::InsertAfterChild( XMLNode* afterThis, XMLNode* addThis )
afterThis->_next->_prev = addThis;
afterThis->_next = addThis;
addThis->_parent = this;
addThis->_memPool->SetTracked();
return addThis;
}
@ -814,6 +817,7 @@ char* XMLNode::ParseDeep( char* p, StrPair* parentEnd )
if ( parentEnd ) {
*parentEnd = static_cast<XMLElement*>(node)->_value;
}
node->_memPool->SetTracked(); // created and then immediately deleted.
DELETE_NODE( node );
return p;
}
@ -1314,6 +1318,7 @@ XMLAttribute* XMLElement::FindOrCreateAttribute( const char* name )
_rootAttribute = attrib;
}
attrib->SetName( name );
attrib->_memPool->SetTracked(); // always created and linked.
}
return attrib;
}
@ -1355,6 +1360,7 @@ char* XMLElement::ParseAttributes( char* p )
if ( XMLUtil::IsAlpha( *p ) ) {
XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
attrib->_memPool = &_document->_attributePool;
attrib->_memPool->SetTracked();
p = attrib->ParseDeep( p, _document->ProcessEntities() );
if ( !p || Attribute( attrib->Name() ) ) {
@ -1508,10 +1514,14 @@ XMLDocument::~XMLDocument()
attributePool.Trace( "attribute" );
#endif
TIXMLASSERT( _textPool.CurrentAllocs() == 0 );
TIXMLASSERT( _elementPool.CurrentAllocs() == 0 );
TIXMLASSERT( _commentPool.CurrentAllocs() == 0 );
TIXMLASSERT( _attributePool.CurrentAllocs() == 0 );
#ifdef DEBUG
if ( Error() == false ) {
TIXMLASSERT( _elementPool.CurrentAllocs() == _elementPool.Untracked() );
TIXMLASSERT( _attributePool.CurrentAllocs() == _attributePool.Untracked() );
TIXMLASSERT( _textPool.CurrentAllocs() == _textPool.Untracked() );
TIXMLASSERT( _commentPool.CurrentAllocs() == _commentPool.Untracked() );
}
#endif
}

View File

@ -45,7 +45,7 @@ distribution.
*/
/*
gcc:
g++ -Wall tinyxml2.cpp xmltest.cpp -o gccxmltest.exe
g++ -Wall -DDEBUG tinyxml2.cpp xmltest.cpp -o gccxmltest.exe
Formatting, Artistic Style:
AStyle.exe --style=1tbs --indent-switches --break-closing-brackets --indent-preprocessor tinyxml2.cpp tinyxml2.h
@ -285,6 +285,7 @@ public:
virtual int ItemSize() const = 0;
virtual void* Alloc() = 0;
virtual void Free( void* ) = 0;
virtual void SetTracked() = 0;
};
@ -295,7 +296,7 @@ template< int SIZE >
class MemPoolT : public MemPool
{
public:
MemPoolT() : _root(0), _currentAllocs(0), _nAllocs(0), _maxAllocs(0) {}
MemPoolT() : _root(0), _currentAllocs(0), _nAllocs(0), _maxAllocs(0), _nUntracked(0) {}
~MemPoolT() {
// Delete the blocks.
for( int i=0; i<_blockPtrs.Size(); ++i ) {
@ -330,6 +331,7 @@ public:
_maxAllocs = _currentAllocs;
}
_nAllocs++;
_nUntracked++;
return result;
}
virtual void Free( void* mem ) {
@ -349,6 +351,14 @@ public:
name, _maxAllocs, _maxAllocs*SIZE/1024, _currentAllocs, SIZE, _nAllocs, _blockPtrs.Size() );
}
void SetTracked() {
_nUntracked--;
}
int Untracked() const {
return _nUntracked;
}
enum { COUNT = 1024/SIZE }; // Some compilers do not accept to use COUNT in private part if COUNT is private
private:
@ -365,6 +375,7 @@ private:
int _currentAllocs;
int _nAllocs;
int _maxAllocs;
int _nUntracked;
};

View File

@ -1,24 +1,18 @@

Microsoft Visual Studio Solution File, Format Version 11.00
# Visual C++ Express 2010
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tinyxml2", "tinyxml2\tinyxml2.vcxproj", "{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}"
Microsoft Visual Studio Solution File, Format Version 10.00
# Visual Studio 2008
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "tinyxml2", "tinyxml2.vcproj", "{74F44A96-0BB5-416F-AA93-27A1DACB4234}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
Debug|x64 = Debug|x64
Release|Win32 = Release|Win32
Release|x64 = Release|x64
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Debug|Win32.ActiveCfg = Debug|Win32
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Debug|Win32.Build.0 = Debug|Win32
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Debug|x64.ActiveCfg = Debug|x64
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Debug|x64.Build.0 = Debug|x64
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Release|Win32.ActiveCfg = Release|Win32
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Release|Win32.Build.0 = Release|Win32
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Release|x64.ActiveCfg = Release|x64
{16A1D446-5415-444E-A7B4-F35B7DA7EE8C}.Release|x64.Build.0 = Release|x64
{74F44A96-0BB5-416F-AA93-27A1DACB4234}.Debug|Win32.ActiveCfg = Debug|Win32
{74F44A96-0BB5-416F-AA93-27A1DACB4234}.Debug|Win32.Build.0 = Debug|Win32
{74F44A96-0BB5-416F-AA93-27A1DACB4234}.Release|Win32.ActiveCfg = Release|Win32
{74F44A96-0BB5-416F-AA93-27A1DACB4234}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

View File

@ -1,5 +1,8 @@
#include "tinyxml2.h"
#if defined( _MSC_VER )
#define _CRT_SECURE_NO_WARNINGS // This test file is not intended to be secure.
#endif
#include "tinyxml2.h"
#include <cstdlib>
#include <cstring>
#include <ctime>
@ -975,6 +978,15 @@ int main( int /*argc*/, const char ** /*argv*/ )
}
#endif
{
// An assert should not fire.
const char* xml = "<element/>";
XMLDocument doc;
doc.Parse( xml );
XMLElement* ele = doc.NewElement( "unused" ); // This will get cleaned up with the 'doc' going out of scope.
XMLTest( "Tracking unused elements", true, ele != 0, false );
}
// ----------- Performance tracking --------------
{
#if defined( _MSC_VER )